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MCS7840 Datasheet(PDF) 18 Page - List of Unclassifed Manufacturers

Part # MCS7840
Description  USB-2.0 to Four Serial Ports
PDF  41 Pages
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Manufacturer  ETC2 [List of Unclassifed Manufacturers]
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MCS7840 Datasheet(HTML) 18 Page - List of Unclassifed Manufacturers

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MCS7840
USB-2.0 to Four Serial Ports
Page 18
Rev.
1.2
Scratch Pad Register (SPR):
The scratch pad register does not influence operation of the UART in RS-232 mode in any way, and is used
for temporary data storage. When using RS-422/485 Mode, bit[6] and bit[7] of the Scratch Pad Register are
used for mode setting and DTR active level settings.
Register:
SPR
Description:
Scratch Pad Register
Offset:
7
Permissions:
Read/Write
Access Condition:
Default Value:
0x00
Bit[7]
Bit[6]
Bit[5]
Bit[4]
Bit[3]
Bit[2]
Bit[1]
Bit[0]
Scratch Pad Register Data



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